//
// Encog(tm) Core v3.2 - .Net Version
// http://www.heatonresearch.com/encog/
//
// Copyright 2008-2013 Heaton Research, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//   
// For more information on Heaton Research copyrights, licenses 
// and trademarks visit:
// http://www.heatonresearch.com/copyright
//
using System;

namespace Encog.MathUtil.LIBSVM
{
    // This class was taken from the libsvm package.  We have made some
    // modifications for use in Encog.
    // 
    // http://www.csie.ntu.edu.tw/~cjlin/libsvm/
    //
    // The libsvm Copyright/license is listed here.
    // 
    // Copyright (c) 2000-2010 Chih-Chung Chang and Chih-Jen Lin
    // All rights reserved.
    // 
    // Redistribution and use in source and binary forms, with or without
    // modification, are permitted provided that the following conditions
    // are met:
    // 
    // 1. Redistributions of source code must retain the above copyright
    // notice, this list of conditions and the following disclaimer.
    // 
    // 2. Redistributions in binary form must reproduce the above copyright
    // notice, this list of conditions and the following disclaimer in the
    // documentation and/or other materials provided with the distribution.
    //
    // 3. Neither name of copyright holders nor the names of its contributors
    // may be used to endorse or promote products derived from this software
    // without specific prior written permission.
    // 
    // 
    // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    // ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    // A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR
    // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    [Serializable]
    public class svm_parameter
        : ICloneable
    {
        /* svm_type */
        public const int C_SVC = 0;
        public const int NU_SVC = 1;
        public const int ONE_CLASS = 2;
        public const int EPSILON_SVR = 3;
        public const int NU_SVR = 4;

        /* kernel_type */
        public const int LINEAR = 0;
        public const int POLY = 1;
        public const int RBF = 2;
        public const int SIGMOID = 3;

        public int svm_type;
        public int kernel_type;
        public double degree; // for poly
        public double gamma; // for poly/rbf/sigmoid
        public double coef0; // for poly/sigmoid

        // these are for training only
        public double cache_size; // in MB
        public double eps; // stopping criteria
        public double C; // for C_SVC, EPSILON_SVR and NU_SVR
        public int nr_weight; // for C_SVC
        public int[] weight_label; // for C_SVC
        public double[] weight; // for C_SVC
        public double nu; // for NU_SVC, ONE_CLASS, and NU_SVR
        public double p; // for EPSILON_SVR
        public int shrinking; // use the shrinking heuristics
        public int probability; // do probability estimates

        public virtual Object Clone()
        {
            try
            {
                return base.MemberwiseClone();
            }
                //UPGRADE_NOTE: Exception 'java.lang.CloneNotSupportedException' was converted to 'System.Exception' which has different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1100_3"'
            catch (Exception)
            {
                return null;
            }
        }
    }
}
